Isomerism definitions

Question 1

structural isomer

Answer 1

same molecular formula but a different structural formula

Question 2

stereo isomerism

Answer 2

same molecular formula but a different spatial arrangement

Question 3

chain isomer

Answer 3

same molecular formula but a different structure of the carbon skeleton

Question 4

positional isomer

Answer 4

a compound with the same molecular formula with the same functional group in a different location on the same carbon skeleton

Question 5

Functional group isomer

Answer 5

The same molecular formula but a different functional group

Question 6

Optical isomer

Answer 6

same molecular and structural formula but cannot be superimposed on each other.

Question 7

Example of a functional group isomer

Answer 7

Aldehydes and ketones
Cyclo alkane and alkene